"alkaline-earth metal"@en-us . . . . . . "0"^^ . "0"^^ . . . "114712489"^^ . . . "any of the bivalent metals of group II of the periodic table (calcium or strontium or barium or magnesium or beryllium)"@en-us . "113871877"@en-us . . "14712489-n"^^ . "alkaline earth"@en-us . "alkaline earth"^^ . .